diff options
Diffstat (limited to 'include/linux')
39 files changed, 731 insertions, 316 deletions
diff --git a/include/linux/ath9k_platform.h b/include/linux/ath9k_platform.h index fcdd81bd531..8598f8eacb2 100644 --- a/include/linux/ath9k_platform.h +++ b/include/linux/ath9k_platform.h @@ -32,6 +32,8 @@ struct ath9k_platform_data { u32 gpio_val; bool is_clk_25mhz; + bool tx_gain_buffalo; + int (*get_mac_revision)(void); int (*external_reset)(void); }; diff --git a/include/linux/bcma/bcma.h b/include/linux/bcma/bcma.h index 4d043c30216..0b3bb16c705 100644 --- a/include/linux/bcma/bcma.h +++ b/include/linux/bcma/bcma.h @@ -418,7 +418,14 @@ static inline void bcma_maskset16(struct bcma_device *cc, bcma_write16(cc, offset, (bcma_read16(cc, offset) & mask) | set); } -extern struct bcma_device *bcma_find_core(struct bcma_bus *bus, u16 coreid); +extern struct bcma_device *bcma_find_core_unit(struct bcma_bus *bus, u16 coreid, + u8 unit); +static inline struct bcma_device *bcma_find_core(struct bcma_bus *bus, + u16 coreid) +{ + return bcma_find_core_unit(bus, coreid, 0); +} + extern bool bcma_core_is_enabled(struct bcma_device *core); extern void bcma_core_disable(struct bcma_device *core, u32 flags); extern int bcma_core_enable(struct bcma_device *core, u32 flags); diff --git a/include/linux/cgroup_subsys.h b/include/linux/cgroup_subsys.h index b613ffd402d..7b99d717411 100644 --- a/include/linux/cgroup_subsys.h +++ b/include/linux/cgroup_subsys.h @@ -31,7 +31,7 @@ SUBSYS(devices) SUBSYS(freezer) #endif -#if IS_SUBSYS_ENABLED(CONFIG_NET_CLS_CGROUP) +#if IS_SUBSYS_ENABLED(CONFIG_CGROUP_NET_CLASSID) SUBSYS(net_cls) #endif @@ -43,7 +43,7 @@ SUBSYS(blkio) SUBSYS(perf) #endif -#if IS_SUBSYS_ENABLED(CONFIG_NETPRIO_CGROUP) +#if IS_SUBSYS_ENABLED(CONFIG_CGROUP_NET_PRIO) SUBSYS(net_prio) #endif diff --git a/include/linux/etherdevice.h b/include/linux/etherdevice.h index fc4a9aa7dd8..9c5529dc6d0 100644 --- a/include/linux/etherdevice.h +++ b/include/linux/etherdevice.h @@ -26,6 +26,7 @@ #include <linux/netdevice.h> #include <linux/random.h> #include <asm/unaligned.h> +#include <asm/bitsperlong.h> #ifdef __KERNEL__ __be16 eth_type_trans(struct sk_buff *skb, struct net_device *dev); @@ -60,6 +61,8 @@ static const u8 eth_reserved_addr_base[ETH_ALEN] __aligned(2) = * * Return true if address is link local reserved addr (01:80:c2:00:00:0X) per * IEEE 802.1Q 8.6.3 Frame filtering. + * + * Please note: addr must be aligned to u16. */ static inline bool is_link_local_ether_addr(const u8 *addr) { @@ -67,7 +70,12 @@ static inline bool is_link_local_ether_addr(const u8 *addr) static const __be16 *b = (const __be16 *)eth_reserved_addr_base; static const __be16 m = cpu_to_be16(0xfff0); +#if defined(CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS) + return (((*(const u32 *)addr) ^ (*(const u32 *)b)) | + ((a[2] ^ b[2]) & m)) == 0; +#else return ((a[0] ^ b[0]) | (a[1] ^ b[1]) | ((a[2] ^ b[2]) & m)) == 0; +#endif } /** @@ -75,10 +83,18 @@ static inline bool is_link_local_ether_addr(const u8 *addr) * @addr: Pointer to a six-byte array containing the Ethernet address * * Return true if the address is all zeroes. + * + * Please note: addr must be aligned to u16. */ static inline bool is_zero_ether_addr(const u8 *addr) { - return !(addr[0] | addr[1] | addr[2] | addr[3] | addr[4] | addr[5]); +#if defined(CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS) + return ((*(const u32 *)addr) | (*(const u16 *)(addr + 4))) == 0; +#else + return (*(const u16 *)(addr + 0) | + *(const u16 *)(addr + 2) | + *(const u16 *)(addr + 4)) == 0; +#endif } /** @@ -109,10 +125,14 @@ static inline bool is_local_ether_addr(const u8 *addr) * @addr: Pointer to a six-byte array containing the Ethernet address * * Return true if the address is the broadcast address. + * + * Please note: addr must be aligned to u16. */ static inline bool is_broadcast_ether_addr(const u8 *addr) { - return (addr[0] & addr[1] & addr[2] & addr[3] & addr[4] & addr[5]) == 0xff; + return (*(const u16 *)(addr + 0) & + *(const u16 *)(addr + 2) & + *(const u16 *)(addr + 4)) == 0xffff; } /** @@ -134,6 +154,8 @@ static inline bool is_unicast_ether_addr(const u8 *addr) * a multicast address, and is not FF:FF:FF:FF:FF:FF. * * Return true if the address is valid. + * + * Please note: addr must be aligned to u16. */ static inline bool is_valid_ether_addr(const u8 *addr) { @@ -196,6 +218,28 @@ static inline void eth_hw_addr_random(struct net_device *dev) } /** + * ether_addr_copy - Copy an Ethernet address + * @dst: Pointer to a six-byte array Ethernet address destination + * @src: Pointer to a six-byte array Ethernet address source + * + * Please note: dst & src must both be aligned to u16. + */ +static inline void ether_addr_copy(u8 *dst, const u8 *src) +{ +#if defined(CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS) + *(u32 *)dst = *(const u32 *)src; + *(u16 *)(dst + 4) = *(const u16 *)(src + 4); +#else + u16 *a = (u16 *)dst; + const u16 *b = (const u16 *)src; + + a[0] = b[0]; + a[1] = b[1]; + a[2] = b[2]; +#endif +} + +/** * eth_hw_addr_inherit - Copy dev_addr from another net_device * @dst: pointer to net_device to copy dev_addr to * @src: pointer to net_device to copy dev_addr from @@ -207,24 +251,7 @@ static inline void eth_hw_addr_inherit(struct net_device *dst, struct net_device *src) { dst->addr_assign_type = src->addr_assign_type; - memcpy(dst->dev_addr, src->dev_addr, ETH_ALEN); -} - -/** - * compare_ether_addr - Compare two Ethernet addresses - * @addr1: Pointer to a six-byte array containing the Ethernet address - * @addr2: Pointer other six-byte array containing the Ethernet address - * - * Compare two Ethernet addresses, returns 0 if equal, non-zero otherwise. - * Unlike memcmp(), it doesn't return a value suitable for sorting. - */ -static inline unsigned compare_ether_addr(const u8 *addr1, const u8 *addr2) -{ - const u16 *a = (const u16 *) addr1; - const u16 *b = (const u16 *) addr2; - - BUILD_BUG_ON(ETH_ALEN != 6); - return ((a[0] ^ b[0]) | (a[1] ^ b[1]) | (a[2] ^ b[2])) != 0; + ether_addr_copy(dst->dev_addr, src->dev_addr); } /** @@ -233,18 +260,21 @@ static inline unsigned compare_ether_addr(const u8 *addr1, const u8 *addr2) * @addr2: Pointer other six-byte array containing the Ethernet address * * Compare two Ethernet addresses, returns true if equal + * + * Please note: addr1 & addr2 must both be aligned to u16. */ static inline bool ether_addr_equal(const u8 *addr1, const u8 *addr2) { - return !compare_ether_addr(addr1, addr2); -} +#if defined(CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS) + u32 fold = ((*(const u32 *)addr1) ^ (*(const u32 *)addr2)) | + ((*(const u16 *)(addr1 + 4)) ^ (*(const u16 *)(addr2 + 4))); -static inline unsigned long zap_last_2bytes(unsigned long value) -{ -#ifdef __BIG_ENDIAN - return value >> 16; + return fold == 0; #else - return value << 16; + const u16 *a = (const u16 *)addr1; + const u16 *b = (const u16 *)addr2; + + return ((a[0] ^ b[0]) | (a[1] ^ b[1]) | (a[2] ^ b[2])) == 0; #endif } @@ -265,22 +295,38 @@ static inline unsigned long zap_last_2bytes(unsigned long value) static inline bool ether_addr_equal_64bits(const u8 addr1[6+2], const u8 addr2[6+2]) { -#ifdef CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS - unsigned long fold = ((*(unsigned long *)addr1) ^ - (*(unsigned long *)addr2)); - - if (sizeof(fold) == 8) - return zap_last_2bytes(fold) == 0; +#if defined(CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS) && BITS_PER_LONG == 64 + u64 fold = (*(const u64 *)addr1) ^ (*(const u64 *)addr2); - fold |= zap_last_2bytes((*(unsigned long *)(addr1 + 4)) ^ - (*(unsigned long *)(addr2 + 4))); - return fold == 0; +#ifdef __BIG_ENDIAN + return (fold >> 16) == 0; +#else + return (fold << 16) == 0; +#endif #else return ether_addr_equal(addr1, addr2); #endif } /** + * ether_addr_equal_unaligned - Compare two not u16 aligned Ethernet addresses + * @addr1: Pointer to a six-byte array containing the Ethernet address + * @addr2: Pointer other six-byte array containing the Ethernet address + * + * Compare two Ethernet addresses, returns true if equal + * + * Please note: Use only when any Ethernet address may not be u16 aligned. + */ +static inline bool ether_addr_equal_unaligned(const u8 *addr1, const u8 *addr2) +{ +#if defined(CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS) + return ether_addr_equal(addr1, addr2); +#else + return memcmp(addr1, addr2, ETH_ALEN) == 0; +#endif +} + +/** * is_etherdev_addr - Tell if given Ethernet address belongs to the device. * @dev: Pointer to a device structure * @addr: Pointer to a six-byte array containing the Ethernet address diff --git a/include/linux/filter.h b/include/linux/filter.h index ff4e40cd45b..e568c8ef896 100644 --- a/include/linux/filter.h +++ b/include/linux/filter.h @@ -83,6 +83,11 @@ static inline void bpf_jit_free(struct sk_filter *fp) #define SK_RUN_FILTER(FILTER, SKB) sk_run_filter(SKB, FILTER->insns) #endif +static inline int bpf_tell_extensions(void) +{ + return SKF_AD_MAX; +} + enum { BPF_S_RET_K = 1, BPF_S_RET_A, diff --git a/include/linux/flex_array.h b/include/linux/flex_array.h index 6843cf193a4..b6efb0c6440 100644 --- a/include/linux/flex_array.h +++ b/include/linux/flex_array.h @@ -2,6 +2,7 @@ #define _FLEX_ARRAY_H #include <linux/types.h> +#include <linux/reciprocal_div.h> #include <asm/page.h> #define FLEX_ARRAY_PART_SIZE PAGE_SIZE @@ -22,7 +23,7 @@ struct flex_array { int element_size; int total_nr_elements; int elems_per_part; - u32 reciprocal_elems; + struct reciprocal_value reciprocal_elems; struct flex_array_part *parts[]; }; /* diff --git a/include/linux/hash.h b/include/linux/hash.h index f09a0ae4d85..bd1754c7ece 100644 --- a/include/linux/hash.h +++ b/include/linux/hash.h @@ -15,6 +15,7 @@ */ #include <asm/types.h> +#include <asm/hash.h> #include <linux/compiler.h> /* 2^31 + 2^29 - 2^25 + 2^22 - 2^19 - 2^16 + 1 */ @@ -78,4 +79,39 @@ static inline u32 hash32_ptr(const void *ptr) #endif return (u32)val; } + +struct fast_hash_ops { + u32 (*hash)(const void *data, u32 len, u32 seed); + u32 (*hash2)(const u32 *data, u32 len, u32 seed); +}; + +/** + * arch_fast_hash - Caclulates a hash over a given buffer that can have + * arbitrary size. This function will eventually use an + * architecture-optimized hashing implementation if + * available, and trades off distribution for speed. + * + * @data: buffer to hash + * @len: length of buffer in bytes + * @seed: start seed + * + * Returns 32bit hash. + */ +extern u32 arch_fast_hash(const void *data, u32 len, u32 seed); + +/** + * arch_fast_hash2 - Caclulates a hash over a given buffer that has a + * size that is of a multiple of 32bit words. This + * function will eventually use an architecture- + * optimized hashing implementation if available, + * and trades off distribution for speed. + * + * @data: buffer to hash (must be 32bit padded) + * @len: number of 32bit words + * @seed: start seed + * + * Returns 32bit hash. + */ +extern u32 arch_fast_hash2(const u32 *data, u32 len, u32 seed); + #endif /* _LINUX_HASH_H */ diff --git a/include/linux/ieee80211.h b/include/linux/ieee80211.h index 8c3b26a2157..e526a8cecb7 100644 --- a/include/linux/ieee80211.h +++ b/include/linux/ieee80211.h @@ -1411,8 +1411,12 @@ struct ieee80211_vht_operation { #define IEEE80211_VHT_CAP_RXSTBC_MASK 0x00000700 #define IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE 0x00000800 #define IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE 0x00001000 -#define IEEE80211_VHT_CAP_BEAMFORMEE_STS_MAX 0x0000e000 -#define IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_MAX 0x00070000 +#define IEEE80211_VHT_CAP_BEAMFORMEE_STS_SHIFT 13 +#define IEEE80211_VHT_CAP_BEAMFORMEE_STS_MASK \ + (7 << IEEE80211_VHT_CAP_BEAMFORMEE_STS_SHIFT) +#define IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_SHIFT 16 +#define IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_MASK \ + (7 << IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_SHIFT) #define IEEE80211_VHT_CAP_MU_BEAMFORMER_CAPABLE 0x00080000 #define IEEE80211_VHT_CAP_MU_BEAMFORMEE_CAPABLE 0x00100000 #define IEEE80211_VHT_CAP_VHT_TXOP_PS 0x00200000 @@ -1853,6 +1857,7 @@ enum ieee80211_key_len { WLAN_KEY_LEN_CCMP = 16, WLAN_KEY_LEN_TKIP = 32, WLAN_KEY_LEN_AES_CMAC = 16, + WLAN_KEY_LEN_SMS4 = 32, }; #define IEEE80211_WEP_IV_LEN 4 @@ -1898,6 +1903,7 @@ enum ieee80211_tdls_actioncode { #define WLAN_EXT_CAPA5_TDLS_PROHIBITED BIT(6) #define WLAN_EXT_CAPA8_OPMODE_NOTIF BIT(6) +#define WLAN_EXT_CAPA8_TDLS_WIDE_BW_ENABLED BIT(7) /* TDLS specific payload type in the LLC/SNAP header */ #define WLAN_TDLS_SNAP_RFTYPE 0x2 diff --git a/include/linux/if_macvlan.h b/include/linux/if_macvlan.h index 84ba5ac39e0..7c8b20b120e 100644 --- a/include/linux/if_macvlan.h +++ b/include/linux/if_macvlan.h @@ -2,6 +2,7 @@ #define _LINUX_IF_MACVLAN_H #include <linux/if_link.h> +#include <linux/if_vlan.h> #include <linux/list.h> #include <linux/netdevice.h> #include <linux/netlink.h> @@ -24,28 +25,6 @@ static inline struct socket *macvtap_get_socket(struct file *f) struct macvlan_port; struct macvtap_queue; -/** - * struct macvlan_pcpu_stats - MACVLAN percpu stats - * @rx_packets: number of received packets - * @rx_bytes: number of received bytes - * @rx_multicast: number of received multicast packets - * @tx_packets: number of transmitted packets - * @tx_bytes: number of transmitted bytes - * @syncp: synchronization point for 64bit counters - * @rx_errors: number of rx errors - * @tx_dropped: number of tx dropped packets - */ -struct macvlan_pcpu_stats { - u64 rx_packets; - u64 rx_bytes; - u64 rx_multicast; - u64 tx_packets; - u64 tx_bytes; - struct u64_stats_sync syncp; - u32 rx_errors; - u32 tx_dropped; -}; - /* * Maximum times a macvtap device can be opened. This can be used to * configure the number of receive queue, e.g. for multiqueue virtio. @@ -62,15 +41,13 @@ struct macvlan_dev { struct macvlan_port *port; struct net_device *lowerdev; void *fwd_priv; - struct macvlan_pcpu_stats __percpu *pcpu_stats; + struct vlan_pcpu_stats __percpu *pcpu_stats; DECLARE_BITMAP(mc_filter, MACVLAN_MC_FILTER_SZ); netdev_features_t set_features; enum macvlan_mode mode; u16 flags; - int (*receive)(struct sk_buff *skb); - int (*forward)(struct net_device *dev, struct sk_buff *skb); /* This array tracks active taps. */ struct macvtap_queue __rcu *taps[MAX_MACVTAP_QUEUES]; /* This list tracks all taps (both enabled and disabled) */ @@ -86,7 +63,7 @@ static inline void macvlan_count_rx(const struct macvlan_dev *vlan, bool multicast) { if (likely(success)) { - struct macvlan_pcpu_stats *pcpu_stats; + struct vlan_pcpu_stats *pcpu_stats; pcpu_stats = this_cpu_ptr(vlan->pcpu_stats); u64_stats_update_begin(&pcpu_stats->syncp); @@ -103,10 +80,7 @@ static inline void macvlan_count_rx(const struct macvlan_dev *vlan, extern void macvlan_common_setup(struct net_device *dev); extern int macvlan_common_newlink(struct net *src_net, struct net_device *dev, - struct nlattr *tb[], struct nlattr *data[], - int (*receive)(struct sk_buff *skb), - int (*forward)(struct net_device *dev, - struct sk_buff *skb)); + struct nlattr *tb[], struct nlattr *data[]); extern void macvlan_count_rx(const struct macvlan_dev *vlan, unsigned int len, bool success, @@ -116,9 +90,6 @@ extern void macvlan_dellink(struct net_device *dev, struct list_head *head); extern int macvlan_link_register(struct rtnl_link_ops *ops); -extern netdev_tx_t macvlan_start_xmit(struct sk_buff *skb, - struct net_device *dev); - #if IS_ENABLED(CONFIG_MACVLAN) static inline struct net_device * macvlan_dev_real_dev(const struct net_device *dev) diff --git a/include/linux/if_tunnel.h b/include/linux/if_tunnel.h index f4e56ecd0b1..712710bc058 100644 --- a/include/linux/if_tunnel.h +++ b/include/linux/if_tunnel.h @@ -13,13 +13,4 @@ #define for_each_ip_tunnel_rcu(pos, start) \ for (pos = rcu_dereference(start); pos; pos = rcu_dereference(pos->next)) -/* often modified stats are per cpu, other are shared (netdev->stats) */ -struct pcpu_tstats { - u64 rx_packets; - u64 rx_bytes; - u64 tx_packets; - u64 tx_bytes; - struct u64_stats_sync syncp; -}; - #endif /* _IF_TUNNEL_H_ */ diff --git a/include/linux/if_vlan.h b/include/linux/if_vlan.h index f252deb9945..bbedfb56bd6 100644 --- a/include/linux/if_vlan.h +++ b/include/linux/if_vlan.h @@ -82,25 +82,6 @@ static inline int is_vlan_dev(struct net_device *dev) #define vlan_tx_tag_get(__skb) ((__skb)->vlan_tci & ~VLAN_TAG_PRESENT) #define vlan_tx_tag_get_id(__skb) ((__skb)->vlan_tci & VLAN_VID_MASK) -#if defined(CONFIG_VLAN_8021Q) || defined(CONFIG_VLAN_8021Q_MODULE) - -extern struct net_device *__vlan_find_dev_deep(struct net_device *real_dev, - __be16 vlan_proto, u16 vlan_id); -extern struct net_device *vlan_dev_real_dev(const struct net_device *dev); -extern u16 vlan_dev_vlan_id(const struct net_device *dev); - -/** - * struct vlan_priority_tci_mapping - vlan egress priority mappings - * @priority: skb priority - * @vlan_qos: vlan priority: (skb->priority << 13) & 0xE000 - * @next: pointer to next struct - */ -struct vlan_priority_tci_mapping { - u32 priority; - u16 vlan_qos; - struct vlan_priority_tci_mapping *next; -}; - /** * struct vlan_pcpu_stats - VLAN percpu rx/tx stats * @rx_packets: number of received packets @@ -123,6 +104,25 @@ struct vlan_pcpu_stats { u32 tx_dropped; }; +#if defined(CONFIG_VLAN_8021Q) || defined(CONFIG_VLAN_8021Q_MODULE) + +extern struct net_device *__vlan_find_dev_deep(struct net_device *real_dev, + __be16 vlan_proto, u16 vlan_id); +extern struct net_device *vlan_dev_real_dev(const struct net_device *dev); +extern u16 vlan_dev_vlan_id(const struct net_device *dev); + +/** + * struct vlan_priority_tci_mapping - vlan egress priority mappings + * @priority: skb priority + * @vlan_qos: vlan priority: (skb->priority << 13) & 0xE000 + * @next: pointer to next struct + */ +struct vlan_priority_tci_mapping { + u32 priority; + u16 vlan_qos; + struct vlan_priority_tci_mapping *next; +}; + struct proc_dir_entry; struct netpoll; diff --git a/include/linux/inet_lro.h b/include/linux/inet_lro.h index 2cf55afbcd4..9a715cfa1fe 100644 --- a/include/linux/inet_lro.h +++ b/include/linux/inet_lro.h @@ -133,33 +133,10 @@ struct net_lro_mgr { void lro_receive_skb(struct net_lro_mgr *lro_mgr, struct sk_buff *skb, void *priv); - -/* - * Processes a fragment list - * - * This functions aggregate fragments and generate SKBs do pass - * the packets to the stack. - * - * @lro_mgr: LRO manager to use - * @frags: Fragment to be processed. Must contain entire header in first - * element. - * @len: Length of received data - * @true_size: Actual size of memory the fragment is consuming - * @priv: Private data that may be used by driver functions - * (for example get_tcp_ip_hdr) - */ - -void lro_receive_frags(struct net_lro_mgr *lro_mgr, - struct skb_frag_struct *frags, - int len, int true_size, void *priv, __wsum sum); - /* * Forward all aggregated SKBs held by lro_mgr to network stack */ void lro_flush_all(struct net_lro_mgr *lro_mgr); -void lro_flush_pkt(struct net_lro_mgr *lro_mgr, - struct iphdr *iph, struct tcphdr *tcph); - #endif diff --git a/include/linux/inetdevice.h b/include/linux/inetdevice.h index 0d678aefe69..0068708161f 100644 --- a/include/linux/inetdevice.h +++ b/include/linux/inetdevice.h @@ -136,8 +136,8 @@ struct in_ifaddr { __be32 ifa_mask; __be32 ifa_broadcast; unsigned char ifa_scope; - unsigned char ifa_flags; unsigned char ifa_prefixlen; + __u32 ifa_flags; char ifa_label[IFNAMSIZ]; /* In seconds, relative to tstamp. Expiry is at tstamp + HZ * lft. */ @@ -164,11 +164,10 @@ int devinet_ioctl(struct net *net, unsigned int cmd, void __user *); void devinet_init(void); struct in_device *inetdev_by_index(struct net *, int); __be32 inet_select_addr(const struct net_device *dev, __be32 dst, int scope); -__be32 inet_confirm_addr(struct in_device *in_dev, __be32 dst, __be32 local, - int scope); +__be32 inet_confirm_addr(struct net *net, struct in_device *in_dev, __be32 dst, + __be32 local, int scope); struct in_ifaddr *inet_ifa_byprefix(struct in_device *in_dev, __be32 prefix, __be32 mask); - static __inline__ int inet_ifa_match(__be32 addr, struct in_ifaddr *ifa) { return !((addr^ifa->ifa_address)&ifa->ifa_mask); @@ -220,6 +219,13 @@ static inline struct in_device *__in_dev_get_rtnl(const struct net_device *dev) return rtnl_dereference(dev->ip_ptr); } +static inline struct neigh_parms *__in_dev_arp_parms_get_rcu(const struct net_device *dev) +{ + struct in_device *in_dev = __in_dev_get_rcu(dev); + + return in_dev ? in_dev->arp_parms : NULL; +} + void in_dev_finish_destroy(struct in_device *idev); static inline void in_dev_put(struct in_device *idev) diff --git a/include/linux/ipv6.h b/include/linux/ipv6.h index c56c350324e..2faef339d8f 100644 --- a/include/linux/ipv6.h +++ b/include/linux/ipv6.h @@ -191,7 +191,8 @@ struct ipv6_pinfo { /* sockopt flags */ __u16 recverr:1, sndflow:1, - pmtudisc:2, + repflow:1, + pmtudisc:3, ipv6only:1, srcprefs:3, /* 001: prefer temporary address * 010: prefer public address @@ -200,7 +201,7 @@ struct ipv6_pinfo { dontfrag:1; __u8 min_hopcount; __u8 tclass; - __u8 rcv_tclass; + __be32 rcv_flowinfo; __u32 dst_cookie; __u32 rx_dst_cookie; @@ -283,6 +284,8 @@ static inline void inet_sk_copy_descendant(struct sock *sk_to, #define __ipv6_only_sock(sk) (inet6_sk(sk)->ipv6only) #define ipv6_only_sock(sk) ((sk)->sk_family == PF_INET6 && __ipv6_only_sock(sk)) +#define ipv6_sk_rxinfo(sk) ((sk)->sk_family == PF_INET6 && \ + inet6_sk(sk)->rxopt.bits.rxinfo) static inline const struct in6_addr *inet6_rcv_saddr(const struct sock *sk) { @@ -299,6 +302,7 @@ static inline int inet_v6_ipv6only(const struct sock *sk) #else #define __ipv6_only_sock(sk) 0 #define ipv6_only_sock(sk) 0 +#define ipv6_sk_rxinfo(sk) 0 static inline struct ipv6_pinfo * inet6_sk(const struct sock *__sk) { diff --git a/include/linux/kernel.h b/include/linux/kernel.h index f74bb581ab6..196d1ea86df 100644 --- a/include/linux/kernel.h +++ b/include/linux/kernel.h @@ -206,6 +206,25 @@ extern int _cond_resched(void); (__x < 0) ? -__x : __x; \ }) +/** + * reciprocal_scale - "scale" a value into range [0, ep_ro) + * @val: value + * @ep_ro: right open interval endpoint + * + * Perform a "reciprocal multiplication" in order to "scale" a value into + * range [0, ep_ro), where the upper interval endpoint is right-open. + * This is useful, e.g. for accessing a index of an array containing + * ep_ro elements, for example. Think of it as sort of modulus, only that + * the result isn't that of modulo. ;) Note that if initial input is a + * small value, then result will return 0. + * + * Return: a result based on val in interval [0, ep_ro). + */ +static inline u32 reciprocal_scale(u32 val, u32 ep_ro) +{ + return (u32)(((u64) val * ep_ro) >> 32); +} + #if defined(CONFIG_MMU) && \ (defined(CONFIG_PROVE_LOCKING) || defined(CONFIG_DEBUG_ATOMIC_SLEEP)) void might_fault(void); diff --git a/include/linux/mdio.h b/include/linux/mdio.h index 3d15c838116..b42963bc81d 100644 --- a/include/linux/mdio.h +++ b/include/linux/mdio.h @@ -70,9 +70,6 @@ extern int mdio45_nway_restart(const struct mdio_if_info *mdio); extern void mdio45_ethtool_gset_npage(const struct mdio_if_info *mdio, struct ethtool_cmd *ecmd, u32 npage_adv, u32 npage_lpa); -extern void -mdio45_ethtool_spauseparam_an(const struct mdio_if_info *mdio, - const struct ethtool_pauseparam *ecmd); /** * mdio45_ethtool_gset - get settings for ETHTOOL_GSET diff --git a/include/linux/mlx4/cmd.h b/include/linux/mlx4/cmd.h index ff36620f88a..79a34723816 100644 --- a/include/linux/mlx4/cmd.h +++ b/include/linux/mlx4/cmd.h @@ -181,6 +181,7 @@ enum { MLX4_SET_PORT_GID_TABLE = 0x5, MLX4_SET_PORT_PRIO2TC = 0x8, MLX4_SET_PORT_SCHEDULER = 0x9, + MLX4_SET_PORT_VXLAN = 0xB }; enum { diff --git a/include/linux/mlx4/cq.h b/include/linux/mlx4/cq.h index e1862997f93..e7ecc12a116 100644 --- a/include/linux/mlx4/cq.h +++ b/include/linux/mlx4/cq.h @@ -87,7 +87,12 @@ struct mlx4_ts_cqe { } __packed; enum { + MLX4_CQE_L2_TUNNEL_IPOK = 1 << 31, MLX4_CQE_VLAN_PRESENT_MASK = 1 << 29, + MLX4_CQE_L2_TUNNEL = 1 << 27, + MLX4_CQE_L2_TUNNEL_CSUM = 1 << 26, + MLX4_CQE_L2_TUNNEL_IPV4 = 1 << 25, + MLX4_CQE_QPN_MASK = 0xffffff, MLX4_CQE_VID_MASK = 0xfff, }; diff --git a/include/linux/mlx4/device.h b/include/linux/mlx4/device.h index ac5cb1d9248..5edd2c68274 100644 --- a/include/linux/mlx4/device.h +++ b/include/linux/mlx4/device.h @@ -119,6 +119,11 @@ static inline const char *mlx4_steering_mode_str(int steering_mode) } enum { + MLX4_TUNNEL_OFFLOAD_MODE_NONE, + MLX4_TUNNEL_OFFLOAD_MODE_VXLAN +}; + +enum { MLX4_DEV_CAP_FLAG_RC = 1LL << 0, MLX4_DEV_CAP_FLAG_UC = 1LL << 1, MLX4_DEV_CAP_FLAG_UD = 1LL << 2, @@ -161,7 +166,8 @@ enum { MLX4_DEV_CAP_FLAG2_VLAN_CONTROL = 1LL << 6, MLX4_DEV_CAP_FLAG2_FSM = 1LL << 7, MLX4_DEV_CAP_FLAG2_UPDATE_QP = 1LL << 8, - MLX4_DEV_CAP_FLAG2_DMFS_IPOIB = 1LL << 9 + MLX4_DEV_CAP_FLAG2_DMFS_IPOIB = 1LL << 9, + MLX4_DEV_CAP_FLAG2_VXLAN_OFFLOADS = 1LL << 10, }; enum { @@ -455,6 +461,8 @@ struct mlx4_caps { u32 userspace_caps; /* userspace must be aware of these */ u32 function_caps; /* VFs must be aware of these */ u16 hca_core_clock; + u64 phys_port_id[MLX4_MAX_PORTS + 1]; + int tunnel_offload_mode; }; struct mlx4_buf_list { @@ -909,6 +917,7 @@ enum mlx4_net_trans_rule_id { MLX4_NET_TRANS_RULE_ID_IPV4, MLX4_NET_TRANS_RULE_ID_TCP, MLX4_NET_TRANS_RULE_ID_UDP, + MLX4_NET_TRANS_RULE_ID_VXLAN, MLX4_NET_TRANS_RULE_NUM, /* should be last */ }; @@ -966,6 +975,12 @@ struct mlx4_spec_ib { u8 dst_gid_msk[16]; }; +struct mlx4_spec_vxlan { + __be32 vni; + __be32 vni_mask; + +}; + struct mlx4_spec_list { struct list_head list; enum mlx4_net_trans_rule_id id; @@ -974,6 +989,7 @@ struct mlx4_spec_list { struct mlx4_spec_ib ib; struct mlx4_spec_ipv4 ipv4; struct mlx4_spec_tcp_udp tcp_udp; + struct mlx4_spec_vxlan vxlan; }; }; @@ -1060,6 +1076,15 @@ struct mlx4_net_trans_rule_hw_ipv4 { __be32 src_ip_msk; } __packed; +struct mlx4_net_trans_rule_hw_vxlan { + u8 size; + u8 rsvd; + __be16 id; + __be32 rsvd1; + __be32 vni; + __be32 vni_mask; +} __packed; + struct _rule_hw { union { struct { @@ -1071,9 +1096,19 @@ struct _rule_hw { struct mlx4_net_trans_rule_hw_ib ib; struct mlx4_net_trans_rule_hw_ipv4 ipv4; struct mlx4_net_trans_rule_hw_tcp_udp tcp_udp; + struct mlx4_net_trans_rule_hw_vxlan vxlan; }; }; +enum { + VXLAN_STEER_BY_OUTER_MAC = 1 << 0, + VXLAN_STEER_BY_OUTER_VLAN = 1 << 1, + VXLAN_STEER_BY_VSID_VNI = 1 << 2, + VXLAN_STEER_BY_INNER_MAC = 1 << 3, + VXLAN_STEER_BY_INNER_VLAN = 1 << 4, +}; + + int mlx4_flow_steer_promisc_add(struct mlx4_dev *dev, u8 port, u32 qpn, enum mlx4_net_trans_promisc_mode mode); int mlx4_flow_steer_promisc_remove(struct mlx4_dev *dev, u8 port, @@ -1096,6 +1131,7 @@ int mlx4_SET_PORT_qpn_calc(struct mlx4_dev *dev, u8 port, u32 base_qpn, int mlx4_SET_PORT_PRIO2TC(struct mlx4_dev *dev, u8 port, u8 *prio2tc); int mlx4_SET_PORT_SCHEDULER(struct mlx4_dev *dev, u8 port, u8 *tc_tx_bw, u8 *pg, u16 *ratelimit); +int mlx4_SET_PORT_VXLAN(struct mlx4_dev *dev, u8 port, u8 steering); int mlx4_find_cached_mac(struct mlx4_dev *dev, u8 port, u64 mac, int *idx); int mlx4_find_cached_vlan(struct mlx4_dev *dev, u8 port, u16 vid, int *idx); int mlx4_register_vlan(struct mlx4_dev *dev, u8 port, u16 vlan, int *index); @@ -1115,6 +1151,7 @@ int mlx4_assign_eq(struct mlx4_dev *dev, char *name, struct cpu_rmap *rmap, int *vector); void mlx4_release_eq(struct mlx4_dev *dev, int vec); +int mlx4_get_phys_port_id(struct mlx4_dev *dev); int mlx4_wol_read(struct mlx4_dev *dev, u64 *config, int port); int mlx4_wol_write(struct mlx4_dev *dev, u64 config, int port); diff --git a/include/linux/mlx4/qp.h b/include/linux/mlx4/qp.h index 6d351473c29..59f8ba84568 100644 --- a/include/linux/mlx4/qp.h +++ b/include/linux/mlx4/qp.h @@ -109,6 +109,10 @@ enum { MLX4_RSS_TCP_IPV4 = 1 << 4, MLX4_RSS_IPV4 = 1 << 5, + MLX4_RSS_BY_OUTER_HEADERS = 0 << 6, + MLX4_RSS_BY_INNER_HEADERS = 2 << 6, + MLX4_RSS_BY_INNER_HEADERS_IPONLY = 3 << 6, + /* offset of mlx4_rss_context within mlx4_qp_context.pri_path */ MLX4_RSS_OFFSET_IN_QPC_PRI_PATH = 0x24, /* offset of being RSS indirection QP within mlx4_qp_context.flags */ @@ -252,6 +256,8 @@ enum { /* param3 */ enum { MLX4_WQE_CTRL_NEC = 1 << 29, + MLX4_WQE_CTRL_IIP = 1 << 28, + MLX4_WQE_CTRL_ILP = 1 << 27, MLX4_WQE_CTRL_FENCE = 1 << 6, MLX4_WQE_CTRL_CQ_UPDATE = 3 << 2, MLX4_WQE_CTRL_SOLICITED = 1 << 1, diff --git a/include/linux/mmc/sdio_ids.h b/include/linux/mmc/sdio_ids.h index 9f03feedc8e..d8836623f36 100644 --- a/include/linux/mmc/sdio_ids.h +++ b/include/linux/mmc/sdio_ids.h @@ -23,6 +23,15 @@ /* * Vendors and devices. Sort key: vendor first, device next. */ +#define SDIO_VENDOR_ID_BROADCOM 0x02d0 +#define SDIO_DEVICE_ID_BROADCOM_43143 43143 +#define SDIO_DEVICE_ID_BROADCOM_43241 0x4324 +#define SDIO_DEVICE_ID_BROADCOM_4329 0x4329 +#define SDIO_DEVICE_ID_BROADCOM_4330 0x4330 +#define SDIO_DEVICE_ID_BROADCOM_4334 0x4334 +#define SDIO_DEVICE_ID_BROADCOM_4335_4339 0x4335 +#define SDIO_DEVICE_ID_BROADCOM_43362 43362 + #define SDIO_VENDOR_ID_INTEL 0x0089 #define SDIO_DEVICE_ID_INTEL_IWMC3200WIMAX 0x1402 #define SDIO_DEVICE_ID_INTEL_IWMC3200WIFI 0x1403 diff --git a/include/linux/net.h b/include/linux/net.h index 69be3e6079c..94734a6259a 100644 --- a/include/linux/net.h +++ b/include/linux/net.h @@ -245,9 +245,6 @@ do { \ #define net_dbg_ratelimited(fmt, ...) \ net_ratelimited_function(pr_debug, fmt, ##__VA_ARGS__) -#define net_random() prandom_u32() -#define net_srandom(seed) prandom_seed((__force u32)(seed)) - bool __net_get_random_once(void *buf, int nbytes, bool *done, struct static_key *done_key); diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h index ce2a1f5f9a1..440a02ee6f9 100644 --- a/include/linux/netdevice.h +++ b/include/linux/netdevice.h @@ -668,15 +668,28 @@ extern struct rps_sock_flow_table __rcu *rps_sock_flow_table; bool rps_may_expire_flow(struct net_device *dev, u16 rxq_index, u32 flow_id, u16 filter_id); #endif +#endif /* CONFIG_RPS */ /* This structure contains an instance of an RX queue. */ struct netdev_rx_queue { +#ifdef CONFIG_RPS struct rps_map __rcu *rps_map; struct rps_dev_flow_table __rcu *rps_flow_table; +#endif struct kobject kobj; struct net_device *dev; } ____cacheline_aligned_in_smp; -#endif /* CONFIG_RPS */ + +/* + * RX queue sysfs structures and functions. + */ +struct rx_queue_attribute { + struct attribute attr; + ssize_t (*show)(struct netdev_rx_queue *queue, + struct rx_queue_attribute *attr, char *buf); + ssize_t (*store)(struct netdev_rx_queue *queue, + struct rx_queue_attribute *attr, const char *buf, size_t len); +}; #ifdef CONFIG_XPS /* @@ -1285,6 +1298,9 @@ struct net_device { #if IS_ENABLED(CONFIG_NET_DSA) struct dsa_switch_tree *dsa_ptr; /* dsa specific data */ #endif +#if IS_ENABLED(CONFIG_TIPC) + struct tipc_bearer __rcu *tipc_ptr; /* TIPC specific data */ +#endif void *atalk_ptr; /* AppleTalk link */ struct in_device __rcu *ip_ptr; /* IPv4 specific data */ struct dn_dev __rcu *dn_ptr; /* DECnet specific data */ @@ -1310,7 +1326,7 @@ struct net_device { unicast) */ -#ifdef CONFIG_RPS +#ifdef CONFIG_SYSFS struct netdev_rx_queue *_rx; /* Number of RX queues allocated at register_netdev() time */ @@ -1408,7 +1424,7 @@ struct net_device { union { void *ml_priv; struct pcpu_lstats __percpu *lstats; /* loopback stats */ - struct pcpu_tstats __percpu *tstats; /* tunnel stats */ + struct pcpu_sw_netstats __percpu *tstats; struct pcpu_dstats __percpu *dstats; /* dummy stats */ struct pcpu_vstats __percpu *vstats; /* veth stats */ }; @@ -1421,6 +1437,8 @@ struct net_device { struct device dev; /* space for optional device, statistics, and wireless sysfs groups */ const struct attribute_group *sysfs_groups[4]; + /* space for optional per-rx queue attributes */ + const struct attribute_group *sysfs_rx_queue_group; /* rtnetlink link ops */ const struct rtnl_link_ops *rtnl_link_ops; @@ -1443,7 +1461,7 @@ struct net_device { /* max exchange id for FCoE LRO by ddp */ unsigned int fcoe_ddp_xid; #endif -#if IS_ENABLED(CONFIG_NETPRIO_CGROUP) +#if IS_ENABLED(CONFIG_CGROUP_NET_PRIO) struct netprio_map __rcu *priomap; #endif /* phy device may attach itself for hardware timestamping */ @@ -1632,7 +1650,10 @@ struct napi_gro_cb { int data_offset; /* This is non-zero if the packet cannot be merged with the new skb. */ - int flush; + u16 flush; + + /* Save the IP ID here and check when we get to the transport layer */ + u16 flush_id; /* Number of segments aggregated. */ u16 count; @@ -1649,7 +1670,13 @@ struct napi_gro_cb { unsigned long age; /* Used in ipv6_gro_receive() */ - int proto; + u16 proto; + + /* Used in udp_gro_receive */ + u16 udp_mark; + + /* used to support CHECKSUM_COMPLETE for tunneling protocols */ + __wsum csum; /* used in skb_gro_receive() slow path */ struct sk_buff *last; @@ -1676,7 +1703,7 @@ struct offload_callbacks { int (*gso_send_check)(struct sk_buff *skb); struct sk_buff **(*gro_receive)(struct sk_buff **head, struct sk_buff *skb); - int (*gro_complete)(struct sk_buff *skb); + int (*gro_complete)(struct sk_buff *skb, int nhoff); }; struct packet_offload { @@ -1685,6 +1712,20 @@ struct packet_offload { struct list_head list; }; +struct udp_offload { + __be16 port; + struct offload_callbacks callbacks; +}; + +/* often modified stats are per cpu, other are shared (netdev->stats) */ +struct pcpu_sw_netstats { + u64 rx_packets; + u64 rx_bytes; + u64 tx_packets; + u64 tx_bytes; + struct u64_stats_sync syncp; +}; + #include <linux/notifier.h> /* netdevice notifier chain. Please remember to update the rtnetlink @@ -1700,7 +1741,7 @@ struct packet_offload { #define NETDEV_CHANGE 0x0004 /* Notify device state change */ #define NETDEV_REGISTER 0x0005 #define NETDEV_UNREGISTER 0x0006 -#define NETDEV_CHANGEMTU 0x0007 +#define NETDEV_CHANGEMTU 0x0007 /* notify after mtu change happened */ #define NETDEV_CHANGEADDR 0x0008 #define NETDEV_GOING_DOWN 0x0009 #define NETDEV_CHANGENAME 0x000A @@ -1716,6 +1757,7 @@ struct packet_offload { #define NETDEV_JOIN 0x0014 #define NETDEV_CHANGEUPPER 0x0015 #define NETDEV_RESEND_IGMP 0x0016 +#define NETDEV_PRECHANGEMTU 0x0017 /* notify before mtu change happened */ int register_netdevice_notifier(struct notifier_block *nb); int unregister_netdevice_notifier(struct notifier_block *nb); @@ -1741,8 +1783,6 @@ netdev_notifier_info_to_dev(const struct netdev_notifier_info *info) return info->dev; } -int call_netdevice_notifiers_info(unsigned long val, struct net_device *dev, - struct netdev_notifier_info *info); int call_netdevice_notifiers(unsigned long val, struct net_device *dev); @@ -1809,7 +1849,6 @@ void dev_remove_pack(struct packet_type *pt); void __dev_remove_pack(struct packet_type *pt); void dev_add_offload(struct packet_offload *po); void dev_remove_offload(struct packet_offload *po); -void __dev_remove_offload(struct packet_offload *po); struct net_device *dev_get_by_flags_rcu(struct net *net, unsigned short flags, unsigned short mask); @@ -1895,6 +1934,14 @@ static inline void *skb_gro_network_header(struct sk_buff *skb) skb_network_offset(skb); } +static inline void skb_gro_postpull_rcsum(struct sk_buff *skb, + const void *start, unsigned int len) +{ + if (skb->ip_summed == CHECKSUM_COMPLETE) + NAPI_GRO_CB(skb)->csum = csum_sub(NAPI_GRO_CB(skb)->csum, + csum_partial(start, len, 0)); +} + static inline int dev_hard_header(struct sk_buff *skb, struct net_device *dev, unsigned short type, const void *daddr, const void *saddr, @@ -2351,7 +2398,7 @@ static inline bool netif_is_multiqueue(const struct net_device *dev) int netif_set_real_num_tx_queues(struct net_device *dev, unsigned int txq); -#ifdef CONFIG_RPS +#ifdef CONFIG_SYSFS int netif_set_real_num_rx_queues(struct net_device *dev, unsigned int rxq); #else static inline int netif_set_real_num_rx_queues(struct net_device *dev, @@ -2370,7 +2417,7 @@ static inline int netif_copy_real_num_queues(struct net_device *to_dev, from_dev->real_num_tx_queues); if (err) return err; -#ifdef CONFIG_RPS +#ifdef CONFIG_SYSFS return netif_set_real_num_rx_queues(to_dev, from_dev->real_num_rx_queues); #else @@ -2378,20 +2425,67 @@ static inline int netif_copy_real_num_queues(struct net_device *to_dev, #endif } +#ifdef CONFIG_SYSFS +static inline unsigned int get_netdev_rx_queue_index( + struct netdev_rx_queue *queue) +{ + struct net_device *dev = queue->dev; + int index = queue - dev->_rx; + + BUG_ON(index >= dev->num_rx_queues); + return index; +} +#endif + #define DEFAULT_MAX_NUM_RSS_QUEUES (8) int netif_get_num_default_rss_queues(void); -/* Use this variant when it is known for sure that it - * is executing from hardware interrupt context or with hardware interrupts - * disabled. - */ -void dev_kfree_skb_irq(struct sk_buff *skb); +enum skb_free_reason { + SKB_REASON_CONSUMED, + SKB_REASON_DROPPED, +}; -/* Use this variant in places where it could be invoked - * from either hardware interrupt or other context, with hardware interrupts - * either disabled or enabled. +void __dev_kfree_skb_irq(struct sk_buff *skb, enum skb_free_reason reason); +void __dev_kfree_skb_any(struct sk_buff *skb, enum skb_free_reason reason); + +/* + * It is not allowed to call kfree_skb() or consume_skb() from hardware + * interrupt context or with hardware interrupts being disabled. + * (in_irq() || irqs_disabled()) + * + * We provide four helpers that can be used in following contexts : + * + * dev_kfree_skb_irq(skb) when caller drops a packet from irq context, + * replacing kfree_skb(skb) + * + * dev_consume_skb_irq(skb) when caller consumes a packet from irq context. + * Typically used in place of consume_skb(skb) in TX completion path + * + * dev_kfree_skb_any(skb) when caller doesn't know its current irq context, + * replacing kfree_skb(skb) + * + * dev_consume_skb_any(skb) when caller doesn't know its current irq context, + * and consumed a packet. Used in place of consume_skb(skb) */ -void dev_kfree_skb_any(struct sk_buff *skb); +static inline void dev_kfree_skb_irq(struct sk_buff *skb) +{ + __dev_kfree_skb_irq(skb, SKB_REASON_DROPPED); +} + +static inline void dev_consume_skb_irq(struct sk_buff *skb) +{ + __dev_kfree_skb_irq(skb, SKB_REASON_CONSUMED); +} + +static inline void dev_kfree_skb_any(struct sk_buff *skb) +{ + __dev_kfree_skb_any(skb, SKB_REASON_DROPPED); +} + +static inline void dev_consume_skb_any(struct sk_buff *skb) +{ + __dev_kfree_skb_any(skb, SKB_REASON_CONSUMED); +} int netif_rx(struct sk_buff *skb); int netif_rx_ni(struct sk_buff *skb); @@ -2400,6 +2494,8 @@ gro_result_t napi_gro_receive(struct napi_struct *napi, struct sk_buff *skb); void napi_gro_flush(struct napi_struct *napi, bool flush_old); struct sk_buff *napi_get_frags(struct napi_struct *napi); gro_result_t napi_gro_frags(struct napi_struct *napi); +struct packet_offload *gro_find_receive_by_type(__be16 type); +struct packet_offload *gro_find_complete_by_type(__be16 type); static inline void napi_free_frags(struct napi_struct *napi) { @@ -2785,17 +2881,10 @@ int register_netdev(struct net_device *dev); void unregister_netdev(struct net_device *dev); /* General hardware address lists handling functions */ -int __hw_addr_add_multiple(struct netdev_hw_addr_list *to_list, - struct netdev_hw_addr_list *from_list, - int addr_len, unsigned char addr_type); -void __hw_addr_del_multiple(struct netdev_hw_addr_list *to_list, - struct netdev_hw_addr_list *from_list, - int addr_len, unsigned char addr_type); int __hw_addr_sync(struct netdev_hw_addr_list *to_list, struct netdev_hw_addr_list *from_list, int addr_len); void __hw_addr_unsync(struct netdev_hw_addr_list *to_list, struct netdev_hw_addr_list *from_list, int addr_len); -void __hw_addr_flush(struct netdev_hw_addr_list *list); void __hw_addr_init(struct netdev_hw_addr_list *list); /* Functions used for device addresses handling */ @@ -2803,10 +2892,6 @@ int dev_addr_add(struct net_device *dev, const unsigned char *addr, unsigned char addr_type); int dev_addr_del(struct net_device *dev, const unsigned char *addr, unsigned char addr_type); -int dev_addr_add_multiple(struct net_device *to_dev, - struct net_device *from_dev, unsigned char addr_type); -int dev_addr_del_multiple(struct net_device *to_dev, - struct net_device *from_dev, unsigned char addr_type); void dev_addr_flush(struct net_device *dev); int dev_addr_init(struct net_device *dev); @@ -2853,7 +2938,6 @@ extern int weight_p; extern int bpf_jit_enable; bool netdev_has_upper_dev(struct net_device *dev, struct net_device *upper_dev); -bool netdev_has_any_upper_dev(struct net_device *dev); struct net_device *netdev_all_upper_get_next_dev_rcu(struct net_device *dev, struct list_head **iter); @@ -2882,6 +2966,7 @@ void *netdev_lower_get_next_private_rcu(struct net_device *dev, priv = netdev_lower_get_next_private_rcu(dev, &(iter))) void *netdev_adjacent_get_private(struct list_head *adj_list); +void *netdev_lower_get_first_private_rcu(struct net_device *dev); struct net_device *netdev_master_upper_dev_get(struct net_device *dev); struct net_device *netdev_master_upper_dev_get_rcu(struct net_device *dev); int netdev_upper_dev_link(struct net_device *dev, struct net_device *upper_dev); @@ -2892,8 +2977,7 @@ int netdev_master_upper_dev_link_private(struct net_device *dev, void *private); void netdev_upper_dev_unlink(struct net_device *dev, struct net_device *upper_dev); -void *netdev_lower_dev_get_private_rcu(struct net_device *dev, - struct net_device *lower_dev); +void netdev_adjacent_rename_links(struct net_device *dev, char *oldname); void *netdev_lower_dev_get_private(struct net_device *dev, struct net_device *lower_dev); int skb_checksum_help(struct sk_buff *skb); diff --git a/include/linux/netfilter/ipset/ip_set.h b/include/linux/netfilter/ipset/ip_set.h index c7174b81667..0c7d01eae56 100644 --- a/include/linux/netfilter/ipset/ip_set.h +++ b/include/linux/netfilter/ipset/ip_set.h @@ -331,7 +331,6 @@ extern ip_set_id_t ip_set_get_byname(struct net *net, const char *name, struct ip_set **set); extern void ip_set_put_byindex(struct net *net, ip_set_id_t index); extern const char *ip_set_name_byindex(struct net *net, ip_set_id_t index); -extern ip_set_id_t ip_set_nfnl_get(struct net *net, const char *name); extern ip_set_id_t ip_set_nfnl_get_byindex(struct net *net, ip_set_id_t index); extern void ip_set_nfnl_put(struct net *net, ip_set_id_t index); diff --git a/include/linux/netlink.h b/include/linux/netlink.h index 7a6c396a263..aad8eeaf416 100644 --- a/include/linux/netlink.h +++ b/include/linux/netlink.h @@ -62,7 +62,6 @@ extern void netlink_kernel_release(struct sock *sk); extern int __netlink_change_ngroups(struct sock *sk, unsigned int groups); extern int netlink_change_ngroups(struct sock *sk, unsigned int groups); extern void __netlink_clear_multicast_users(struct sock *sk, unsigned int group); -extern void netlink_clear_multicast_users(struct sock *sk, unsigned int group); extern void netlink_ack(struct sk_buff *in_skb, struct nlmsghdr *nlh, int err); extern int netlink_has_listeners(struct sock *sk, unsigned int group); extern struct sk_buff *netlink_alloc_skb(struct sock *ssk, unsigned int size, @@ -168,7 +167,6 @@ struct netlink_tap { }; extern int netlink_add_tap(struct netlink_tap *nt); -extern int __netlink_remove_tap(struct netlink_tap *nt); extern int netlink_remove_tap(struct netlink_tap *nt); #endif /* __LINUX_NETLINK_H */ diff --git a/include/linux/of_mdio.h b/include/linux/of_mdio.h index 8163107b94b..6fe8464ed76 100644 --- a/include/linux/of_mdio.h +++ b/include/linux/of_mdio.h @@ -19,6 +19,9 @@ extern struct phy_device *of_phy_connect(struct net_device *dev, struct device_node *phy_np, void (*hndlr)(struct net_device *), u32 flags, phy_interface_t iface); +struct phy_device *of_phy_attach(struct net_device *dev, + struct device_node *phy_np, u32 flags, + phy_interface_t iface); extern struct phy_device *of_phy_connect_fixed_link(struct net_device *dev, void (*hndlr)(struct net_device *), phy_interface_t iface); @@ -44,6 +47,13 @@ static inline struct phy_device *of_phy_connect(struct net_device *dev, return NULL; } +static inline struct phy_device *of_phy_attach(struct net_device *dev, + struct device_node *phy_np, + u32 flags, phy_interface_t iface) +{ + return NULL; +} + static inline struct phy_device *of_phy_connect_fixed_link(struct net_device *dev, void (*hndlr)(struct net_device *), phy_interface_t iface) diff --git a/include/linux/phy.h b/include/linux/phy.h index 48a4dc3cb8c..565188ca328 100644 --- a/include/linux/phy.h +++ b/include/linux/phy.h @@ -1,6 +1,4 @@ /* - * include/linux/phy.h - * * Framework and drivers for configuring and reading different PHYs * Based on code in sungem_phy.c and gianfar_phy.c * @@ -27,18 +25,27 @@ #include <linux/atomic.h> -#define PHY_BASIC_FEATURES (SUPPORTED_10baseT_Half | \ - SUPPORTED_10baseT_Full | \ - SUPPORTED_100baseT_Half | \ - SUPPORTED_100baseT_Full | \ - SUPPORTED_Autoneg | \ +#define PHY_DEFAULT_FEATURES (SUPPORTED_Autoneg | \ SUPPORTED_TP | \ SUPPORTED_MII) -#define PHY_GBIT_FEATURES (PHY_BASIC_FEATURES | \ - SUPPORTED_1000baseT_Half | \ +#define PHY_10BT_FEATURES (SUPPORTED_10baseT_Half | \ + SUPPORTED_10baseT_Full) + +#define PHY_100BT_FEATURES (SUPPORTED_100baseT_Half | \ + SUPPORTED_100baseT_Full) + +#define PHY_1000BT_FEATURES (SUPPORTED_1000baseT_Half | \ SUPPORTED_1000baseT_Full) +#define PHY_BASIC_FEATURES (PHY_10BT_FEATURES | \ + PHY_100BT_FEATURES | \ + PHY_DEFAULT_FEATURES) + +#define PHY_GBIT_FEATURES (PHY_BASIC_FEATURES | \ + PHY_1000BT_FEATURES) + + /* * Set phydev->irq to PHY_POLL if interrupts are not supported, * or not desired for this PHY. Set to PHY_IGNORE_INTERRUPT if @@ -66,6 +73,7 @@ typedef enum { PHY_INTERFACE_MODE_RGMII_TXID, PHY_INTERFACE_MODE_RTBI, PHY_INTERFACE_MODE_SMII, + PHY_INTERFACE_MODE_XGMII, } phy_interface_t; @@ -231,7 +239,7 @@ int mdiobus_write(struct mii_bus *bus, int addr, u32 regnum, u16 val); * - phy_stop moves to HALTED */ enum phy_state { - PHY_DOWN=0, + PHY_DOWN = 0, PHY_STARTING, PHY_READY, PHY_PENDING, @@ -275,11 +283,9 @@ struct phy_c45_device_ids { * attached_dev: The attached enet driver's device instance ptr * adjust_link: Callback for the enet controller to respond to * changes in the link state. - * adjust_state: Callback for the enet driver to respond to - * changes in the state machine. * - * speed, duplex, pause, supported, advertising, and - * autoneg are used like in mii_if_info + * speed, duplex, pause, supported, advertising, lp_advertising, + * and autoneg are used like in mii_if_info * * interrupts currently only supports enabled or disabled, * but could be changed in the future to support enabling @@ -331,6 +337,7 @@ struct phy_device { /* See mii.h for more info */ u32 supported; u32 advertising; + u32 lp_advertising; int autoneg; @@ -356,8 +363,6 @@ struct phy_device { struct net_device *attached_dev; void (*adjust_link)(struct net_device *dev); - - void (*adjust_state)(struct net_device *dev); }; #define to_phy_device(d) container_of(d, struct phy_device, dev) @@ -484,6 +489,24 @@ struct phy_fixup { }; /** + * phy_read_mmd - Convenience function for reading a register + * from an MMD on a given PHY. + * @phydev: The phy_device struct + * @devad: The MMD to read from + * @regnum: The register on the MMD to read + * + * Same rules as for phy_read(); + */ +static inline int phy_read_mmd(struct phy_device *phydev, int devad, u32 regnum) +{ + if (!phydev->is_c45) + return -EOPNOTSUPP; + + return mdiobus_read(phydev->bus, phydev->addr, + MII_ADDR_C45 | (devad << 16) | (regnum & 0xffff)); +} + +/** * phy_read - Convenience function for reading a given PHY register * @phydev: the phy_device struct * @regnum: register number to read @@ -533,20 +556,46 @@ static inline bool phy_is_internal(struct phy_device *phydev) return phydev->is_internal; } +/** + * phy_write_mmd - Convenience function for writing a register + * on an MMD on a given PHY. + * @phydev: The phy_device struct + * @devad: The MMD to read from + * @regnum: The register on the MMD to read + * @val: value to write to @regnum + * + * Same rules as for phy_write(); + */ +static inline int phy_write_mmd(struct phy_device *phydev, int devad, + u32 regnum, u16 val) +{ + if (!phydev->is_c45) + return -EOPNOTSUPP; + + regnum = MII_ADDR_C45 | ((devad & 0x1f) << 16) | (regnum & 0xffff); + + return mdiobus_write(phydev->bus, phydev->addr, regnum, val); +} + struct phy_device *phy_device_create(struct mii_bus *bus, int addr, int phy_id, - bool is_c45, struct phy_c45_device_ids *c45_ids); + bool is_c45, + struct phy_c45_device_ids *c45_ids); struct phy_device *get_phy_device(struct mii_bus *bus, int addr, bool is_c45); int phy_device_register(struct phy_device *phy); int phy_init_hw(struct phy_device *phydev); -struct phy_device * phy_attach(struct net_device *dev, - const char *bus_id, phy_interface_t interface); +int phy_suspend(struct phy_device *phydev); +int phy_resume(struct phy_device *phydev); +struct phy_device *phy_attach(struct net_device *dev, const char *bus_id, + phy_interface_t interface); struct phy_device *phy_find_first(struct mii_bus *bus); +int phy_attach_direct(struct net_device *dev, struct phy_device *phydev, + u32 flags, phy_interface_t interface); int phy_connect_direct(struct net_device *dev, struct phy_device *phydev, - void (*handler)(struct net_device *), - phy_interface_t interface); -struct phy_device * phy_connect(struct net_device *dev, const char *bus_id, - void (*handler)(struct net_device *), - phy_interface_t interface); + void (*handler)(struct net_device *), + phy_interface_t interface); +struct phy_device *phy_connect(struct net_device *dev, const char *bus_id, + void (*handler)(struct net_device *), + phy_interface_t interface); void phy_disconnect(struct phy_device *phydev); void phy_detach(struct phy_device *phydev); void phy_start(struct phy_device *phydev); @@ -555,7 +604,8 @@ int phy_start_aneg(struct phy_device *phydev); int phy_stop_interrupts(struct phy_device *phydev); -static inline int phy_read_status(struct phy_device *phydev) { +static inline int phy_read_status(struct phy_device *phydev) +{ return phydev->drv->read_status(phydev); } @@ -573,31 +623,29 @@ int phy_drivers_register(struct phy_driver *new_driver, int n); void phy_state_machine(struct work_struct *work); void phy_change(struct work_struct *work); void phy_mac_interrupt(struct phy_device *phydev, int new_link); -void phy_start_machine(struct phy_device *phydev, - void (*handler)(struct net_device *)); +void phy_start_machine(struct phy_device *phydev); void phy_stop_machine(struct phy_device *phydev); int phy_ethtool_sset(struct phy_device *phydev, struct ethtool_cmd *cmd); int phy_ethtool_gset(struct phy_device *phydev, struct ethtool_cmd *cmd); -int phy_mii_ioctl(struct phy_device *phydev, - struct ifreq *ifr, int cmd); +int phy_mii_ioctl(struct phy_device *phydev, struct ifreq *ifr, int cmd); int phy_start_interrupts(struct phy_device *phydev); void phy_print_status(struct phy_device *phydev); void phy_device_free(struct phy_device *phydev); int phy_register_fixup(const char *bus_id, u32 phy_uid, u32 phy_uid_mask, - int (*run)(struct phy_device *)); + int (*run)(struct phy_device *)); int phy_register_fixup_for_id(const char *bus_id, - int (*run)(struct phy_device *)); + int (*run)(struct phy_device *)); int phy_register_fixup_for_uid(u32 phy_uid, u32 phy_uid_mask, - int (*run)(struct phy_device *)); -int phy_scan_fixups(struct phy_device *phydev); + int (*run)(struct phy_device *)); int phy_init_eee(struct phy_device *phydev, bool clk_stop_enable); int phy_get_eee_err(struct phy_device *phydev); int phy_ethtool_set_eee(struct phy_device *phydev, struct ethtool_eee *data); int phy_ethtool_get_eee(struct phy_device *phydev, struct ethtool_eee *data); int phy_ethtool_set_wol(struct phy_device *phydev, struct ethtool_wolinfo *wol); -void phy_ethtool_get_wol(struct phy_device *phydev, struct ethtool_wolinfo *wol); +void phy_ethtool_get_wol(struct phy_device *phydev, + struct ethtool_wolinfo *wol); int __init mdio_bus_init(void); void mdio_bus_exit(void); diff --git a/include/linux/platform_data/eth-netx.h b/include/linux/platform_data/eth-netx.h index 88af1ac28ea..a395159725d 100644 --- a/include/linux/platform_data/eth-netx.h +++ b/include/linux/platform_data/eth-netx.h @@ -1,6 +1,4 @@ /* - * arch/arm/mach-netx/include/mach/eth.h - * * Copyright (c) 2005 Sascha Hauer <s.hauer@pengutronix.de>, Pengutronix * * This program is free software; you can redistribute it and/or modify @@ -17,8 +15,8 @@ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ -#ifndef ASMARM_ARCH_ETH_H -#define ASMARM_ARCH_ETH_H +#ifndef __ETH_NETX_H +#define __ETH_NETX_H struct netxeth_platform_data { unsigned int xcno; /* number of xmac/xpec engine this eth uses */ diff --git a/include/linux/platform_data/pn544.h b/include/linux/platform_data/pn544.h index 713bfd70334..5ce1ab983f4 100644 --- a/include/linux/platform_data/pn544.h +++ b/include/linux/platform_data/pn544.h @@ -16,8 +16,7 @@ * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * along with this program; if not, see <http://www.gnu.org/licenses/>. */ #ifndef _PN544_H_ diff --git a/include/linux/printk.h b/include/linux/printk.h index cc6f74d6516..fa47e2708c0 100644 --- a/include/linux/printk.h +++ b/include/linux/printk.h @@ -89,6 +89,13 @@ struct va_format { #define HW_ERR "[Hardware Error]: " /* + * DEPRECATED + * Add this to a message whenever you want to warn user space about the use + * of a deprecated aspect of an API so they can stop using it + */ +#define DEPRECATED "[Deprecated]: " + +/* * Dummy printk for disabled debugging statements to use whilst maintaining * gcc's format and side-effect checking. */ diff --git a/include/linux/random.h b/include/linux/random.h index 4002b3df4c8..1cfce0e24db 100644 --- a/include/linux/random.h +++ b/include/linux/random.h @@ -8,7 +8,6 @@ #include <uapi/linux/random.h> - extern void add_device_randomness(const void *, unsigned int); extern void add_input_randomness(unsigned int type, unsigned int code, unsigned int value); @@ -38,6 +37,23 @@ struct rnd_state { u32 prandom_u32_state(struct rnd_state *state); void prandom_bytes_state(struct rnd_state *state, void *buf, int nbytes); +/** + * prandom_u32_max - returns a pseudo-random number in interval [0, ep_ro) + * @ep_ro: right open interval endpoint + * + * Returns a pseudo-random number that is in interval [0, ep_ro). Note + * that the result depends on PRNG being well distributed in [0, ~0U] + * u32 space. Here we use maximally equidistributed combined Tausworthe + * generator, that is, prandom_u32(). This is useful when requesting a + * random index of an array containing ep_ro elements, for example. + * + * Returns: pseudo-random number in interval [0, ep_ro) + */ +static inline u32 prandom_u32_max(u32 ep_ro) +{ + return (u32)(((u64) prandom_u32() * ep_ro) >> 32); +} + /* * Handle minimum values for seeds */ diff --git a/include/linux/reciprocal_div.h b/include/linux/reciprocal_div.h index f9c90b33285..8c5a3fb6c6c 100644 --- a/include/linux/reciprocal_div.h +++ b/include/linux/reciprocal_div.h @@ -4,29 +4,32 @@ #include <linux/types.h> /* - * This file describes reciprocical division. + * This algorithm is based on the paper "Division by Invariant + * Integers Using Multiplication" by Torbjörn Granlund and Peter + * L. Montgomery. * - * This optimizes the (A/B) problem, when A and B are two u32 - * and B is a known value (but not known at compile time) + * The assembler implementation from Agner Fog, which this code is + * based on, can be found here: + * http://www.agner.org/optimize/asmlib.zip * - * The math principle used is : - * Let RECIPROCAL_VALUE(B) be (((1LL << 32) + (B - 1))/ B) - * Then A / B = (u32)(((u64)(A) * (R)) >> 32) - * - * This replaces a divide by a multiply (and a shift), and - * is generally less expensive in CPU cycles. + * This optimization for A/B is helpful if the divisor B is mostly + * runtime invariant. The reciprocal of B is calculated in the + * slow-path with reciprocal_value(). The fast-path can then just use + * a much faster multiplication operation with a variable dividend A + * to calculate the division A/B. */ -/* - * Computes the reciprocal value (R) for the value B of the divisor. - * Should not be called before each reciprocal_divide(), - * or else the performance is slower than a normal divide. - */ -extern u32 reciprocal_value(u32 B); +struct reciprocal_value { + u32 m; + u8 sh1, sh2; +}; +struct reciprocal_value reciprocal_value(u32 d); -static inline u32 reciprocal_divide(u32 A, u32 R) +static inline u32 reciprocal_divide(u32 a, struct reciprocal_value R) { - return (u32)(((u64)A * R) >> 32); + u32 t = (u32)(((u64)a * R.m) >> 32); + return (t + ((a - t) >> R.sh1)) >> R.sh2; } -#endif + +#endif /* _LINUX_RECIPROCAL_DIV_H */ diff --git a/include/linux/sctp.h b/include/linux/sctp.h index 3bfe8d6ee24..a9414fd49dc 100644 --- a/include/linux/sctp.h +++ b/include/linux/sctp.h @@ -23,13 +23,12 @@ * See the GNU General Public License for more details. * * You should have received a copy of the GNU General Public License - * along with GNU CC; see the file COPYING. If not, write to - * the Free Software Foundation, 59 Temple Place - Suite 330, - * Boston, MA 02111-1307, USA. + * along with GNU CC; see the file COPYING. If not, see + * <http://www.gnu.org/licenses/>. * * Please send any bug reports or fixes you make to the * email address(es): - * lksctp developers <lksctp-developerst@lists.sourceforge.net> + * lksctp developers <linux-sctp@vger.kernel.org> * * Or submit a bug report through the following website: * http://www.sf.net/projects/lksctp diff --git a/include/linux/sh_eth.h b/include/linux/sh_eth.h index 90b5e30c2f2..8c9131db2b2 100644 --- a/include/linux/sh_eth.h +++ b/include/linux/sh_eth.h @@ -8,6 +8,7 @@ enum {EDMAC_LITTLE_ENDIAN, EDMAC_BIG_ENDIAN}; struct sh_eth_plat_data { int phy; + int phy_irq; int edmac_endian; phy_interface_t phy_interface; void (*set_mdio_gate)(void *addr); diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h index 6f69b3f914f..1f689e62e4c 100644 --- a/include/linux/skbuff.h +++ b/include/linux/skbuff.h @@ -34,11 +34,82 @@ #include <linux/netdev_features.h> #include <net/flow_keys.h> +/* A. Checksumming of received packets by device. + * + * CHECKSUM_NONE: + * + * Device failed to checksum this packet e.g. due to lack of capabilities. + * The packet contains full (though not verified) checksum in packet but + * not in skb->csum. Thus, skb->csum is undefined in this case. + * + * CHECKSUM_UNNECESSARY: + * + * The hardware you're dealing with doesn't calculate the full checksum + * (as in CHECKSUM_COMPLETE), but it does parse headers and verify checksums + * for specific protocols e.g. TCP/UDP/SCTP, then, for such packets it will + * set CHECKSUM_UNNECESSARY if their checksums are okay. skb->csum is still + * undefined in this case though. It is a bad option, but, unfortunately, + * nowadays most vendors do this. Apparently with the secret goal to sell + * you new devices, when you will add new protocol to your host, f.e. IPv6 8) + * + * CHECKSUM_COMPLETE: + * + * This is the most generic way. The device supplied checksum of the _whole_ + * packet as seen by netif_rx() and fills out in skb->csum. Meaning, the + * hardware doesn't need to parse L3/L4 headers to implement this. + * + * Note: Even if device supports only some protocols, but is able to produce + * skb->csum, it MUST use CHECKSUM_COMPLETE, not CHECKSUM_UNNECESSARY. + * + * CHECKSUM_PARTIAL: + * + * This is identical to the case for output below. This may occur on a packet + * received directly from another Linux OS, e.g., a virtualized Linux kernel + * on the same host. The packet can be treated in the same way as + * CHECKSUM_UNNECESSARY, except that on output (i.e., forwarding) the + * checksum must be filled in by the OS or the hardware. + * + * B. Checksumming on output. + * + * CHECKSUM_NONE: + * + * The skb was already checksummed by the protocol, or a checksum is not + * required. + * + * CHECKSUM_PARTIAL: + * + * The device is required to checksum the packet as seen by hard_start_xmit() + * from skb->csum_start up to the end, and to record/write the checksum at + * offset skb->csum_start + skb->csum_offset. + * + * The device must show its capabilities in dev->features, set up at device + * setup time, e.g. netdev_features.h: + * + * NETIF_F_HW_CSUM - It's a clever device, it's able to checksum everything. + * NETIF_F_IP_CSUM - Device is dumb, it's able to checksum only TCP/UDP over + * IPv4. Sigh. Vendors like this way for an unknown reason. + * Though, see comment above about CHECKSUM_UNNECESSARY. 8) + * NETIF_F_IPV6_CSUM - About as dumb as the last one but does IPv6 instead. + * NETIF_F_... - Well, you get the picture. + * + * CHECKSUM_UNNECESSARY: + * + * Normally, the device will do per protocol specific checksumming. Protocol + * implementations that do not want the NIC to perform the checksum + * calculation should use this flag in their outgoing skbs. + * + * NETIF_F_FCOE_CRC - This indicates that the device can do FCoE FC CRC + * offload. Correspondingly, the FCoE protocol driver + * stack should use CHECKSUM_UNNECESSARY. + * + * Any questions? No questions, good. --ANK + */ + /* Don't change this without changing skb_csum_unnecessary! */ -#define CHECKSUM_NONE 0 -#define CHECKSUM_UNNECESSARY 1 -#define CHECKSUM_COMPLETE 2 -#define CHECKSUM_PARTIAL 3 +#define CHECKSUM_NONE 0 +#define CHECKSUM_UNNECESSARY 1 +#define CHECKSUM_COMPLETE 2 +#define CHECKSUM_PARTIAL 3 #define SKB_DATA_ALIGN(X) (((X) + (SMP_CACHE_BYTES - 1)) & \ ~(SMP_CACHE_BYTES - 1)) @@ -54,58 +125,6 @@ SKB_DATA_ALIGN(sizeof(struct sk_buff)) + \ SKB_DATA_ALIGN(sizeof(struct skb_shared_info))) -/* A. Checksumming of received packets by device. - * - * NONE: device failed to checksum this packet. - * skb->csum is undefined. - * - * UNNECESSARY: device parsed packet and wouldbe verified checksum. - * skb->csum is undefined. - * It is bad option, but, unfortunately, many of vendors do this. - * Apparently with secret goal to sell you new device, when you - * will add new protocol to your host. F.e. IPv6. 8) - * - * COMPLETE: the most generic way. Device supplied checksum of _all_ - * the packet as seen by netif_rx in skb->csum. - * NOTE: Even if device supports only some protocols, but - * is able to produce some skb->csum, it MUST use COMPLETE, - * not UNNECESSARY. - * - * PARTIAL: identical to the case for output below. This may occur - * on a packet received directly from another Linux OS, e.g., - * a virtualised Linux kernel on the same host. The packet can - * be treated in the same way as UNNECESSARY except that on - * output (i.e., forwarding) the checksum must be filled in - * by the OS or the hardware. - * - * B. Checksumming on output. - * - * NONE: skb is checksummed by protocol or csum is not required. - * - * PARTIAL: device is required to csum packet as seen by hard_start_xmit - * from skb->csum_start to the end and to record the checksum - * at skb->csum_start + skb->csum_offset. - * - * Device must show its capabilities in dev->features, set - * at device setup time. - * NETIF_F_HW_CSUM - it is clever device, it is able to checksum - * everything. - * NETIF_F_IP_CSUM - device is dumb. It is able to csum only - * TCP/UDP over IPv4. Sigh. Vendors like this - * way by an unknown reason. Though, see comment above - * about CHECKSUM_UNNECESSARY. 8) - * NETIF_F_IPV6_CSUM about as dumb as the last one but does IPv6 instead. - * - * UNNECESSARY: device will do per protocol specific csum. Protocol drivers - * that do not want net to perform the checksum calculation should use - * this flag in their outgoing skbs. - * NETIF_F_FCOE_CRC this indicates the device can do FCoE FC CRC - * offload. Correspondingly, the FCoE protocol driver - * stack should use CHECKSUM_UNNECESSARY. - * - * Any questions? No questions, good. --ANK - */ - struct net_device; struct scatterlist; struct pipe_inode_info; @@ -703,15 +722,78 @@ unsigned int skb_find_text(struct sk_buff *skb, unsigned int from, unsigned int to, struct ts_config *config, struct ts_state *state); -void __skb_get_rxhash(struct sk_buff *skb); -static inline __u32 skb_get_rxhash(struct sk_buff *skb) +/* + * Packet hash types specify the type of hash in skb_set_hash. + * + * Hash types refer to the protocol layer addresses which are used to + * construct a packet's hash. The hashes are used to differentiate or identify + * flows of the protocol layer for the hash type. Hash types are either + * layer-2 (L2), layer-3 (L3), or layer-4 (L4). + * + * Properties of hashes: + * + * 1) Two packets in different flows have different hash values + * 2) Two packets in the same flow should have the same hash value + * + * A hash at a higher layer is considered to be more specific. A driver should + * set the most specific hash possible. + * + * A driver cannot indicate a more specific hash than the layer at which a hash + * was computed. For instance an L3 hash cannot be set as an L4 hash. + * + * A driver may indicate a hash level which is less specific than the + * actual layer the hash was computed on. For instance, a hash computed + * at L4 may be considered an L3 hash. This should only be done if the + * driver can't unambiguously determine that the HW computed the hash at + * the higher layer. Note that the "should" in the second property above + * permits this. + */ +enum pkt_hash_types { + PKT_HASH_TYPE_NONE, /* Undefined type */ + PKT_HASH_TYPE_L2, /* Input: src_MAC, dest_MAC */ + PKT_HASH_TYPE_L3, /* Input: src_IP, dst_IP */ + PKT_HASH_TYPE_L4, /* Input: src_IP, dst_IP, src_port, dst_port */ +}; + +static inline void +skb_set_hash(struct sk_buff *skb, __u32 hash, enum pkt_hash_types type) +{ + skb->l4_rxhash = (type == PKT_HASH_TYPE_L4); + skb->rxhash = hash; +} + +void __skb_get_hash(struct sk_buff *skb); +static inline __u32 skb_get_hash(struct sk_buff *skb) { if (!skb->l4_rxhash) - __skb_get_rxhash(skb); + __skb_get_hash(skb); return skb->rxhash; } +static inline __u32 skb_get_hash_raw(const struct sk_buff *skb) +{ + return skb->rxhash; +} + +static inline void skb_clear_hash(struct sk_buff *skb) +{ + skb->rxhash = 0; + skb->l4_rxhash = 0; +} + +static inline void skb_clear_hash_if_not_l4(struct sk_buff *skb) +{ + if (!skb->l4_rxhash) + skb_clear_hash(skb); +} + +static inline void skb_copy_hash(struct sk_buff *to, const struct sk_buff *from) +{ + to->rxhash = from->rxhash; + to->l4_rxhash = from->l4_rxhash; +}; + #ifdef NET_SKBUFF_DATA_USES_OFFSET static inline unsigned char *skb_end_pointer(const struct sk_buff *skb) { @@ -750,7 +832,7 @@ static inline struct skb_shared_hwtstamps *skb_hwtstamps(struct sk_buff *skb) */ static inline int skb_queue_empty(const struct sk_buff_head *list) { - return list->next == (struct sk_buff *)list; + return list->next == (const struct sk_buff *) list; } /** @@ -763,7 +845,7 @@ static inline int skb_queue_empty(const struct sk_buff_head *list) static inline bool skb_queue_is_last(const struct sk_buff_head *list, const struct sk_buff *skb) { - return skb->next == (struct sk_buff *)list; + return skb->next == (const struct sk_buff *) list; } /** @@ -776,7 +858,7 @@ static inline bool skb_queue_is_last(const struct sk_buff_head *list, static inline bool skb_queue_is_first(const struct sk_buff_head *list, const struct sk_buff *skb) { - return skb->prev == (struct sk_buff *)list; + return skb->prev == (const struct sk_buff *) list; } /** @@ -2368,6 +2450,9 @@ int skb_splice_bits(struct sk_buff *skb, unsigned int offset, struct pipe_inode_info *pipe, unsigned int len, unsigned int flags); void skb_copy_and_csum_dev(const struct sk_buff *skb, u8 *to); +unsigned int skb_zerocopy_headlen(const struct sk_buff *from); +void skb_zerocopy(struct sk_buff *to, const struct sk_buff *from, + int len, int hlen); void skb_split(struct sk_buff *skb, struct sk_buff *skb1, const u32 len); int skb_shift(struct sk_buff *tgt, struct sk_buff *skb, int shiftlen); void skb_scrub_packet(struct sk_buff *skb, bool xnet); @@ -2397,6 +2482,24 @@ static inline void *skb_header_pointer(const struct sk_buff *skb, int offset, return buffer; } +/** + * skb_needs_linearize - check if we need to linearize a given skb + * depending on the given device features. + * @skb: socket buffer to check + * @features: net device features + * + * Returns true if either: + * 1. skb has frag_list and the device doesn't support FRAGLIST, or + * 2. skb is fragmented and the device does not support SG. + */ +static inline bool skb_needs_linearize(struct sk_buff *skb, + netdev_features_t features) +{ + return skb_is_nonlinear(skb) && + ((skb_has_frag_list(skb) && !(features & NETIF_F_FRAGLIST)) || + (skb_shinfo(skb)->nr_frags && !(features & NETIF_F_SG))); +} + static inline void skb_copy_from_linear_data(const struct sk_buff *skb, void *to, const unsigned int len) @@ -2795,6 +2898,8 @@ static inline void skb_checksum_none_assert(const struct sk_buff *skb) bool skb_partial_csum_set(struct sk_buff *skb, u16 start, u16 off); +int skb_checksum_setup(struct sk_buff *skb, bool recalculate); + u32 __skb_get_poff(const struct sk_buff *skb); /** diff --git a/include/linux/slab_def.h b/include/linux/slab_def.h index 40fc39d22d5..8235dfbb3b0 100644 --- a/include/linux/slab_def.h +++ b/include/linux/slab_def.h @@ -1,6 +1,8 @@ #ifndef _LINUX_SLAB_DEF_H #define _LINUX_SLAB_DEF_H +#include <linux/reciprocal_div.h> + /* * Definitions unique to the original Linux SLAB allocator. */ @@ -12,7 +14,7 @@ struct kmem_cache { unsigned int shared; unsigned int size; - u32 reciprocal_buffer_size; + struct reciprocal_value reciprocal_buffer_size; /* 2) touched by every alloc & free from the backend */ unsigned int flags; /* constant flags */ diff --git a/include/linux/socket.h b/include/linux/socket.h index 445ef7519dc..8e98297f138 100644 --- a/include/linux/socket.h +++ b/include/linux/socket.h @@ -45,13 +45,13 @@ struct linger { */ struct msghdr { - void * msg_name; /* Socket name */ - int msg_namelen; /* Length of name */ - struct iovec * msg_iov; /* Data blocks */ - __kernel_size_t msg_iovlen; /* Number of blocks */ - void * msg_control; /* Per protocol magic (eg BSD file descriptor passing) */ - __kernel_size_t msg_controllen; /* Length of cmsg list */ - unsigned int msg_flags; + void *msg_name; /* ptr to socket address structure */ + int msg_namelen; /* size of socket address structure */ + struct iovec *msg_iov; /* scatter/gather array */ + __kernel_size_t msg_iovlen; /* # elements in msg_iov */ + void *msg_control; /* ancillary data */ + __kernel_size_t msg_controllen; /* ancillary data buffer length */ + unsigned int msg_flags; /* flags on received message */ }; /* For recvmmsg/sendmmsg */ @@ -305,8 +305,6 @@ struct ucred { /* IPX options */ #define IPX_TYPE 1 -extern void cred_to_ucred(struct pid *pid, const struct cred *cred, struct ucred *ucred); - extern int memcpy_fromiovecend(unsigned char *kdata, const struct iovec *iov, int offset, int len); extern int csum_partial_copy_fromiovecend(unsigned char *kdata, diff --git a/include/linux/stmmac.h b/include/linux/stmmac.h index bb5deb0feb6..6f27d4f957b 100644 --- a/include/linux/stmmac.h +++ b/include/linux/stmmac.h @@ -110,12 +110,34 @@ struct plat_stmmacenet_data { int force_sf_dma_mode; int force_thresh_dma_mode; int riwt_off; + int max_speed; + int maxmtu; void (*fix_mac_speed)(void *priv, unsigned int speed); void (*bus_setup)(void __iomem *ioaddr); - int (*init)(struct platform_device *pdev); - void (*exit)(struct platform_device *pdev); + void *(*setup)(struct platform_device *pdev); + void (*free)(struct platform_device *pdev, void *priv); + int (*init)(struct platform_device *pdev, void *priv); + void (*exit)(struct platform_device *pdev, void *priv); void *custom_cfg; void *custom_data; void *bsp_priv; }; + +/* of_data for SoC glue layer device tree bindings */ + +struct stmmac_of_data { + int has_gmac; + int enh_desc; + int tx_coe; + int rx_coe; + int bugged_jumbo; + int pmt; + int riwt_off; + void (*fix_mac_speed)(void *priv, unsigned int speed); + void (*bus_setup)(void __iomem *ioaddr); + void *(*setup)(struct platform_device *pdev); + void (*free)(struct platform_device *pdev, void *priv); + int (*init)(struct platform_device *pdev, void *priv); + void (*exit)(struct platform_device *pdev, void *priv); +}; #endif diff --git a/include/linux/tcp.h b/include/linux/tcp.h index d68633452d9..4ad0706d40e 100644 --- a/include/linux/tcp.h +++ b/include/linux/tcp.h @@ -248,7 +248,10 @@ struct tcp_sock { struct sk_buff* lost_skb_hint; struct sk_buff *retransmit_skb_hint; - struct sk_buff_head out_of_order_queue; /* Out of order segments go here */ + /* OOO segments go in this list. Note that socket lock must be held, + * as we do not use sk_buff_head lock. + */ + struct sk_buff_head out_of_order_queue; /* SACKs data, these 2 need to be together (see tcp_options_write) */ struct tcp_sack_block duplicate_sack[1]; /* D-SACK block */ |